387172 has 12 divisors (see below), whose sum is σ = 693616. Its totient is φ = 189000.

The previous prime is 387169. The next prime is 387173. The reversal of 387172 is 271783.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 387172.

It is not an unprimeable number, because it can be changed into a prime (387173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954 + ... + 1297.

2³⁸⁷¹⁷² is an apocalyptic number.

It is an amenable number.

387172 is a deficient number, since it is larger than the sum of its proper divisors (306444).

387172 is a wasteful number, since it uses less digits than its factorization.

387172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298 (or 2296 counting only the distinct ones).

The product of its digits is 2352, while the sum is 28.

The square root of 387172 is about 622.2314681853. The cubic root of 387172 is about 72.8844108035.

It can be divided in two parts, 387 and 172, that multiplied together give a square (66564 = 258²).

The spelling of 387172 in words is "three hundred eighty-seven thousand, one hundred seventy-two".